package com.lsj.config.mybatisPlus;

import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
*@Author: lin.shj
*@Description: springboot 方式设置mybatis plus的插件
*/
@Configuration
@MapperScan(value = "com.lsj.mapper")
public class MybatisPlusConfig {

    //旧版分页插件
    /*@Bean
    public PaginationInterceptor paginationInterceptor() {
        PaginationInterceptor paginationInterceptor = new PaginationInterceptor();
        // 设置请求的页面大于最大页后操作， true调回到首页，false 继续请求  默认false
        // paginationInterceptor.setOverflow(false);
        // 设置最大单页限制数量，默认 500 条，-1 不受限制
        // paginationInterceptor.setLimit(500);
        // 开启 count 的 join 优化,只针对部分 left join
        paginationInterceptor.setCountSqlParser(new JsqlParserCountOptimize(true));
        return paginationInterceptor;
    }*/


    /*设置分页插件*/
    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor(){
        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
        PaginationInnerInterceptor pagination = new PaginationInnerInterceptor();
        pagination.setDbType(DbType.MYSQL);//设置数据库类型
        pagination.setMaxLimit(500L);//设局全局最大查询条数
        interceptor.addInnerInterceptor(pagination);
        return interceptor;
    }
}